diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9eecc01d6..9e4331f98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,6 +37,7 @@
 - Updates Oracle Linux 9 to 9.3 release. [GH-821](https://github.com/vmware-samples/packer-examples-for-vsphere/pull/821)
 - Updates Oracle Linux 8 to 8.9 release. [GH-820](https://github.com/vmware-samples/packer-examples-for-vsphere/pull/820)
 - Updates Debian 12 to 12.4 release. [GH-816](https://github.com/vmware-samples/packer-examples-for-vsphere/pull/816)
+- Updates Debian 11 to 11.9 release. [GH-864](https://github.com/vmware-samples/packer-examples-for-vsphere/pull/864)
 - Updates Ubuntu 22.04 to 22.04.4 release. [GH-863](https://github.com/vmware-samples/packer-examples-for-vsphere/pull/863)
 - Updates AlmaLinux to upgrade the `almalinux-release` package during the build. [GH-](https://github.com/vmware-samples/packer-examples-for-vsphere/pull/)
 
diff --git a/builds/linux/debian/11/linux-debian.pkrvars.hcl.example b/builds/linux/debian/11/linux-debian.pkrvars.hcl.example
index 64dbe0418..14921efe1 100644
--- a/builds/linux/debian/11/linux-debian.pkrvars.hcl.example
+++ b/builds/linux/debian/11/linux-debian.pkrvars.hcl.example
@@ -12,7 +12,7 @@ vm_guest_os_keyboard = "us"
 vm_guest_os_timezone = "UTC"
 vm_guest_os_family   = "linux"
 vm_guest_os_name     = "debian"
-vm_guest_os_version  = "11.8"
+vm_guest_os_version  = "11.9"
 
 // Virtual Machine Guest Operating System Setting
 vm_guest_os_type = "other5xLinux64Guest"
@@ -33,7 +33,7 @@ vm_network_card          = "vmxnet3"
 
 // Removable Media Settings
 iso_path = "iso/linux/debian"
-iso_file = "debian-11.8.0-amd64-netinst.iso"
+iso_file = "debian-11.9.0-amd64-netinst.iso"
 
 // Boot Settings
 vm_boot_order = "-"